2#define FASTLED_INTERNAL
11#pragma GCC push_options
12#pragma GCC optimize("Os")
15inline uint8_t min3(uint8_t a, uint8_t b, uint8_t c) {
31inline uint8_t divide_by_3(uint8_t x) {
32 uint16_t y = (uint16_t(x) * 85) >> 8;
33 return static_cast<uint8_t
>(y);
40void rgb_2_rgbw_exact(uint16_t w_color_temperature, uint8_t r, uint8_t g,
41 uint8_t b, uint8_t r_scale, uint8_t g_scale,
42 uint8_t b_scale, uint8_t *out_r, uint8_t *out_g,
43 uint8_t *out_b, uint8_t *out_w) {
47 uint8_t min_component = min3(r, g, b);
48 *out_r = r - min_component;
49 *out_g = g - min_component;
50 *out_b = b - min_component;
51 *out_w = min_component;
54void rgb_2_rgbw_max_brightness(uint16_t w_color_temperature, uint8_t r,
55 uint8_t g, uint8_t b, uint8_t r_scale,
56 uint8_t g_scale, uint8_t b_scale, uint8_t *out_r,
57 uint8_t *out_g, uint8_t *out_b, uint8_t *out_w) {
58 *out_r =
scale8(r, r_scale);
59 *out_g =
scale8(g, g_scale);
60 *out_b =
scale8(b, b_scale);
61 *out_w = min3(r, g, b);
64void rgb_2_rgbw_null_white_pixel(uint16_t w_color_temperature, uint8_t r,
65 uint8_t g, uint8_t b, uint8_t r_scale,
66 uint8_t g_scale, uint8_t b_scale,
67 uint8_t *out_r, uint8_t *out_g, uint8_t *out_b,
69 *out_r =
scale8(r, r_scale);
70 *out_g =
scale8(g, g_scale);
71 *out_b =
scale8(b, b_scale);
75void rgb_2_rgbw_white_boosted(uint16_t w_color_temperature, uint8_t r,
76 uint8_t g, uint8_t b, uint8_t r_scale,
77 uint8_t g_scale, uint8_t b_scale, uint8_t *out_r,
78 uint8_t *out_g, uint8_t *out_b, uint8_t *out_w) {
82 uint8_t min_component = min3(r, g, b);
85 if (min_component <= 84) {
86 w = 3 * min_component;
95 r_prime = r - min_component;
96 g_prime = g - min_component;
97 b_prime = b - min_component;
99 uint8_t w3 = divide_by_3(w);
111rgb_2_rgbw_function g_user_function = rgb_2_rgbw_exact;
113void set_rgb_2_rgbw_function(rgb_2_rgbw_function func) {
114 if (func ==
nullptr) {
115 g_user_function = rgb_2_rgbw_exact;
118 g_user_function = func;
121void rgb_2_rgbw_user_function(uint16_t w_color_temperature, uint8_t r,
122 uint8_t g, uint8_t b, uint8_t r_scale,
123 uint8_t g_scale, uint8_t b_scale, uint8_t *out_r,
124 uint8_t *out_g, uint8_t *out_b, uint8_t *out_w) {
125 g_user_function(w_color_temperature, r, g, b, r_scale, g_scale, b_scale,
126 out_r, out_g, out_b, out_w);
129void rgbw_partial_reorder(EOrderW w_placement, uint8_t b0, uint8_t b1,
130 uint8_t b2, uint8_t w, uint8_t *out_b0,
131 uint8_t *out_b1, uint8_t *out_b2, uint8_t *out_b3) {
133 uint8_t out[4] = {b0, b1, b2, 0};
134 switch (w_placement) {
161#pragma GCC pop_options
central include file for FastLED, defines the CFastLED class/object
LIB8STATIC_ALWAYS_INLINE uint8_t scale8(uint8_t i, fract8 scale)
Scale one byte by a second one, which is treated as the numerator of a fraction whose denominator is ...